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How much does it cost to replace an engine coolant thermostat?


Replacing an engine coolant thermostat is a common repair that ensures your vehicle's engine operates at the correct temperature. If your thermostat is malfunctioning, it can lead to overheating or inefficient engine performance. In this article, we’ll break down the costs associated with replacing an engine coolant thermostat and what factors influence the price.


What Is an Engine Coolant Thermostat?


The engine coolant thermostat is a small but crucial component of your car's cooling system. It regulates the flow of coolant between the engine and the radiator, ensuring the engine maintains an optimal operating temperature. When the thermostat fails, it can either get stuck open (causing the engine to run too cool) or stuck closed (leading to overheating).


Average Cost of Replacing a Coolant Thermostat


The cost of replacing an engine coolant thermostat can vary depending on several factors, including the make and model of your vehicle, labor rates in your area, and whether you choose an OEM (Original Equipment Manufacturer) or aftermarket part. Here’s a general breakdown:



  • Parts: The thermostat itself typically costs between $20 and $100. High-end or specialty vehicles may require more expensive thermostats.

  • Labor: Labor costs can range from $100 to $300, depending on the complexity of the job and the hourly rate of the mechanic.

  • Total Cost: On average, you can expect to pay between $120 and $400 for a thermostat replacement.


Factors That Influence the Cost


Several factors can affect the overall cost of replacing your thermostat:



  • Vehicle Make and Model: Luxury or performance vehicles often require more expensive parts and additional labor.

  • Location: Labor rates vary by region. Urban areas with higher costs of living typically have higher labor rates.

  • Additional Repairs: If your thermostat failure has caused damage to other parts of the cooling system, such as the radiator or hoses, the repair costs will increase.


Signs Your Thermostat Needs Replacement


It’s important to recognize the signs of a failing thermostat to avoid further damage to your engine. Common symptoms include:



  • Engine overheating or running too cool.

  • Fluctuating temperature gauge readings.

  • Coolant leaks near the thermostat housing.

  • Poor engine performance or reduced fuel efficiency.


Can You Replace the Thermostat Yourself?


If you’re mechanically inclined, replacing a thermostat can be a DIY project. However, it requires some tools and knowledge of your vehicle’s cooling system. If you’re unsure, it’s best to leave it to a professional mechanic to ensure the job is done correctly and safely.


Conclusion


Replacing an engine coolant thermostat is a relatively affordable repair that can save you from costly engine damage down the road. If you suspect your thermostat is failing, don’t delay in addressing the issue. At Kevin’s Autos, we’ve been providing reliable and affordable auto repair services since 1997. Contact us today to schedule an appointment and keep your car running smoothly!


Frequently Asked Questions

Can I replace my thermostat myself?


In most cases, installing a new thermostat is a relatively simple do-it-yourself project that can result in improved comfort and convenience and one that can help you save energy.



Will a stuck thermostat throw a code?


A stuck thermostat will also trigger several indicators, warnings, and fault codes. As you read above, you'll first notice the blue low-temperature indicator that constantly stays on.



Can you drive with a broken coolant thermostat?


Driving a car with a broken thermostat is not advisable. The thermostat regulates the engine's temperature by controlling the flow of coolant. If it's stuck closed, the engine can overheat, leading to severe damage such as a blown head gasket or warped cylinder head.



How long does a coolant thermostat take to replace?


Car thermostat replacement time is 30 to 60 minutes, depending on the make of the car. It will cost you around $190 to $350, including labor. Thermostat repairs usually take more time, requiring extra time to diagnose and analyze the vehicle's thermostat. It can take up to 2 hours.



How do I know my coolant temperature is bad?


In many vehicles, a faulty coolant temperature system will trigger a check engine light or service engine light on your car's dashboard.



Is it easy to replace a coolant thermostat?


Most automobile thermostats are fairly easy to change. Just follow the upper radiator hose leading to the engine and it should be there at the end of the hose. Usually just two bolts.



How long does it take a mechanic to replace a thermostat?


Car thermostat replacement time is 30 to 60 minutes, depending on the make of the car. It will cost you around $190 to $350, including labor. Thermostat repairs usually take more time, requiring extra time to diagnose and analyze the vehicle's thermostat. It can take up to 2 hours.



Can I replace my thermostat easily?


In most cases, installing a new thermostat is a relatively simple do-it-yourself project that can result in improved comfort and convenience and one that can help you save energy. At Lowe's, our range of thermostats will make it easy to find a device that offers the controls and features you need.



How do I know if my coolant thermostat is bad?


5 Signs Your Thermostat Is Broken

  1. You Notice Erratic Temperature Changes.
  2. You Find Incorrect Readings on the Temperature Gauge.
  3. Your Vehicle Makes Concerning Noises.
  4. You Find Coolant Leaks.
  5. You Notice Problems with the Heating System.



How much does a mechanic charge to change a thermostat?


The average cost for car thermostat replacement is $661 to $747. Enter your vehicle's information to see how much thermostat replacement costs in your local area.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.